BLM18HG471SH1D

Chip Ferrite Bead Overview

The Murata BLM18HG471SH1D is a single-line ferrite chip bead in the BLM18_H series, housed in a 0603 (1608 metric) SMD package measuring 1.6 mm x 0.8 mm x 0.8 mm. It provides an impedance of 470 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 200 mA and has a maximum DC resistance of 850 mOhms. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive reliability.

Chip Ferrite Bead Feature Summary

• Functions as a resistor at noise frequencies to minimize resonance and preserve signal waveform integrity
• AEC-Q200 qualified for automotive electronic applications
• Designed for surface-mount installation on printed circuit boards

Chip Ferrite Bead Applications

• Automotive safety systems
• Automotive powertrain circuits
• General EMI suppression in electronic devices

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SH1D against official Murata documentation to confirm packaging type and tape dimensions. Ensure the selected variant matches the required automotive grade and impedance tolerance for the target application. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when a low-current path requires significant high-frequency attenuation in a compact footprint. The 200 mA rating limits suitability for high-power lines, making it appropriate for signal or low-power supply rails. Verify that the 850 mOhms DC resistance does not introduce excessive voltage drop in the specific circuit design context.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM18_H series of ferrite beads, which are engineered for noise suppression in compact electronic assemblies. The series utilizes specialized ferrite materials to provide effective electromagnetic interference filtering while maintaining small physical dimensions suitable for modern surface-mount technology requirements.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.